The basking shark was filmed by a kayaker off the coast of Peel, who described it as "extremely upsetting".

Craig Whalley, 41, who has been kayaking for more than 15 years, said: "I was out with two basking sharks near Contrary Head near Niarbyl. They were metres from the shore. Both were about five metres long.

"I didn't spot the plastic until I got home and watched the film and it was extremely upsetting.

"When I am out kayaking I often see animals which have been the victim of litter and maybe if more people saw the damage it causes they would be more careful."

Basking sharks are the second largest fish in the world and feed on plankton. In the past two days, 12 basking sharks have been spotted in Manx waters along with Risso's and bottlenose dolphins, porpoises and a minke whale.

Mrs Hall's Manx Basking Shark Watch has been carrying out specialist research into basking sharks since 2004, including cutting-edge tagging projects.

She added: "They are incredibly rare and seeing one in distress is very upsetting. We have been to observe its behaviour and it is acting in a very unusual manner.

"We are incredibly lucky to have these animals visit us in the Isle of Man and I would urge everyone to think twice about litter."

"We all need to be more careful."

The MBSW has successfully tagged and tracked 18 basking sharks since 2007.

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Featured Member

Chris Hailey, a scuba diving instructor living in Koh Phagnan, Thailand. An enthusiastic Debris Activist and supporter of Project AWARE, he leads his crew at Reefers Dive Resort in completing at least one beach cleanup and one Dive Against Debris reef cleanup per month. His main objective? To raise awareness. By participating in Dive Against Debris and spreading the message of the dangers of debris in marine environments, Chris aims to give back to our ocean for all that it has given us. Thanks, Chris, for your tireless efforts to protect our ocean!